Existence of dark soliton solutions of the cubic nonlinear Schrodinger equation with periodic inhomogeneous nonlinearity
J. Belmonte-Beitia, P.J. Torres
Journal of Nonlinear Mathematical Physics 15, 65-72 (2008)
MOLAB authors
Belmonte Beitia, Juan. 
Abstract
In this paper, we give a proof of the existence of stationary dark soliton solutions of the cubic nonlinear Schro ?dinger equation with periodic inhomogeneous nonlinearity, together with an analytical example of a dark soliton.